static CacheManager()
{
CacheManager.innerCacheQueues = new Dictionary <Type, CacheQueueBase>();
CacheManager.totalCounters = new CachingPerformanceCounters("_Total_");
//后台清理线程，定期清理整个应用域中每一个CacheQueue中的每一个Cache项
//此线程在系统启动时自动启动，不受客户端代码控制
InitScavengingThread();
}
/// <summary>
/// 初始化性能监视指针
/// </summary>
/// <param name="instanceName">本地性能监视器的指针</param>
protected void InitPerformanceCounters(string instanceName)
{
if (this.totalCounters == null)
{
this.totalCounters = new CachingPerformanceCounters("_Total_");
}
if (this.counters == null)
{
instanceName.CheckStringIsNullOrEmpty("instanceName");
this.counters = new CachingPerformanceCounters(instanceName);
}
}
/// <summary>
/// 初始化性能监视指针
/// </summary>
/// <param name="instanceName">本地性能监视器的指针</param>
protected void InitPerformanceCounters(string instanceName)
{
if (this.totalCounters == null)
this.totalCounters = new CachingPerformanceCounters("_Total_");
if (this.counters == null)
{
instanceName.CheckStringIsNullOrEmpty("instanceName");
this.counters = new CachingPerformanceCounters(instanceName);
}
}